This post has been marked by the post author as the answer.
Quote: "What step did I missed, for the lightmapper? while creating the model.?"
Again, it has nothing at all to do with the model, nothing, not a thing, nada, zilch. It should happen with every model you use on a saved level that has not been lightmapped. It's just telling you that it is using real time lighting on the scene instead of a light map (ie when you press shift+f1 to f3 in test game to bake the lighting).
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